Telescopic locking ladder type cable bridge

Abstract

The utility model relates to a ladder type cable bridge, in particular to a telescopic locking ladder type cable bridge which comprises an outer bridge, an inner bridge is arranged on the inner wall of the outer bridge in a sliding mode, and a push-out mechanism of the inner bridge is arranged at the bottom of the outer bridge. The push-out mechanism of the inner bridge frame comprises a telescopic rod and a rhombic structure, and the telescopic rod is used for pushing the rhombic structure towards the advancing direction of the inner bridge frame, so that the inner bridge frame is pushed out from the inner wall of the outer bridge frame; a clamping mechanism is further arranged at the bottom of the outer bridge frame and used for clamping the outer bridge frame and the inner bridge frame together so as to prevent the inner bridge frame from sliding relative to the outer bridge frame when the inner bridge frame is used. According to the utility model, the pushing mechanism is arranged at the bottom of the outer bridge frame, and the rhombic structure and the clamping mechanism are matched with each other, so that the inner bridge frame can be smoothly drawn out of the outer bridge frame, and is locked through the clamping mechanism when being drawn out to a certain position.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ladder type cable bridge, specifically a telescopic locking ladder type cable bridge. BACKGROUND

[0002] The ladder type cable bridge is a shelf for erecting and laying cables, and it is a metal structure for supporting and protecting cables, which is designed similarly to a ladder and has good ventilation and heat dissipation performance and high carrying capacity. This bridge is usually composed of a series of parallel cross beams and longitudinal support columns, forming a ladder-like structure. The ladder type cable bridge is widely used in cable wiring systems in buildings, factories, machine rooms and other places, and is particularly suitable for large-diameter cables such as high and low voltage power cables.

[0003] The telescopic locking ladder type cable bridge is a bridge whose cross beams can be freely extracted and slid out, which improves the length of the bridge and facilitates expansion and contraction during thermal expansion and contraction.

[0004] For the existing telescopic locking bridge, the fixing of the extended end and the original end is mostly connected by a bolt structure, which is time-consuming during connection, and when replacing the length of the extended end, the bolt needs to be disassembled during disassembly, which is troublesome.

[0005] In summary, the existing telescopic locking ladder type cable bridge still has certain limitations. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a telescopic locking ladder type cable bridge to solve the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A telescopic locking ladder type cable bridge, comprising an outer bridge, an inner bridge is slidably arranged on the inner wall of the outer bridge, and a push-out mechanism of the inner bridge is arranged at the bottom of the outer bridge;

[0009] The push-out mechanism of the inner bridge comprises a telescopic rod and a rhombus structure, the telescopic rod is used to push the rhombus structure in the forward direction of the inner bridge, so as to push the inner bridge out of the inner wall of the outer bridge;

[0010] The bottom of the outer bridge is also provided with a clamping mechanism, which is used to clamp the outer bridge and the inner bridge together to prevent the relative sliding of the inner bridge and the outer bridge during use.

[0011] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the push mechanism comprises a sleeve, a telescopic rod and a spring, the sleeve is rotationally arranged at the bottom of the outer bridge, one end of the telescopic rod is slidingly arranged in the sleeve, the spring is arranged in the sleeve, one end of the spring is in abutment with a convex ring of the telescopic rod, and the other end of the spring is in abutment with the inner wall of the sleeve.

[0012] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the diamond structure comprises a first connecting rod, a transverse connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are both rotationally arranged at the bottom of the outer bridge, the middle part of the first connecting rod is rotationally connected with one end of the telescopic rod away from the sleeve, the first connecting rod and the second connecting rod are connected through the transverse connecting rod, and the two ends of the transverse connecting rod are respectively rotationally connected with the first connecting rod and the second connecting rod.

[0013] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the clamping mechanism comprises a lower plate and a rack, the lower plate is sleeved between the two transverse connecting rods, the lower plate is fixedly connected with the transverse connecting rods, and the rack is arranged on the top surface of the lower plate.

[0014] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the clamping mechanism further comprises an upper plate and a clamping strip, the upper plate is arranged at the bottom of the inner bridge, the clamping strip is arranged on the bottom surface of the upper plate, and the outer bridge and the inner bridge are clamped through the lower plate and the clamping strip.

[0015] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the push mechanism is arranged in a group, and the push mechanism in the group is symmetrically arranged on the two sides of the connecting beam of the outer bridge.

[0016] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the spring is in a pre-pressed state in the sleeve, and the clamping mechanism is pushed by the automatic reset of the spring.

[0017] The telescopic and locked ladder type cable bridge as claimed in claim 1, wherein the bottom of the lower plate is further provided with a handle, and the handle is used for pulling downward to separate the clamping strip from the lower plate when adjusting the position of the inner bridge in the inner wall of the outer bridge.

[0018] Compared with the prior art, the telescopic and locked ladder type cable bridge has the following beneficial effects: through the cooperation of the push mechanism, the diamond structure and the clamping mechanism arranged at the bottom of the outer bridge, the inner bridge can be smoothly pulled out of the outer bridge, and the inner bridge is locked through the clamping mechanism when being pulled out to a certain position.

[0019] The handle is arranged at the bottom of the lower plate, the rack is pulled out of the clamping strip through the handle when the position of the inner bridge in the outer bridge needs to be adjusted, and the position is adjusted through the push mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a telescopic locking ladder type cable bridge.

[0021] Figure 2 It is a schematic diagram of the structure of another position in a telescopic locking ladder type cable bridge.

[0022] Figure 3 It is a schematic diagram of the structure of another position in a telescopic locking ladder type cable bridge.

[0023] Figure 4 It is a schematic diagram of the structure of the spring and telescopic rod being removed from the sleeve in a telescopic locking ladder type cable bridge.

[0024] Figure 5 It is an enlarged schematic diagram of the structure of the rack in a telescopic locking ladder type cable bridge.

[0025] Figure 6 It is an enlarged schematic diagram of the structure of the clamping strip in a telescopic locking ladder type cable bridge.

[0026] In the figure: 1, outer bridge; 2, inner bridge; 3, sleeve; 4, telescopic rod; 5, first connecting rod; 6, transverse connecting rod; 7, second connecting rod; 8, lower plate; 9, rack; 10, upper bottom plate; 11, clamping strip; 12, spring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0028] Please refer to Figures 1-6 As an embodiment of the present application, the telescopic locking ladder type cable bridge comprises an outer bridge 1, the inner wall of the outer bridge 1 is slidably provided with an inner bridge 2, and the bottom of the outer bridge 1 is provided with a pushing-out mechanism of the inner bridge 2.

[0029] The pushing-out mechanism of the inner bridge 2 comprises a telescopic rod 4 and a diamond structure, the telescopic rod 4 is used to push the diamond structure in the advancing direction of the inner bridge 2, so as to push the inner bridge 2 out from between the inner walls of the outer bridge 1.

[0030] The bottom of the outer bridge 1 is further provided with a clamping mechanism, the clamping mechanism is used to clamp the outer bridge 1 and the inner bridge 2 together, so as to prevent the relative sliding of the inner bridge 2 and the outer bridge 1 during use.

[0031] In the embodiment, the push-out mechanism is arranged at the bottom of the inner bridge 2, when the inner bridge 2 needs to be pulled out from the inner part of the outer bridge 1, the inner bridge 2 is pulled out from the inner wall of the outer bridge 1 by the cooperation of the external force and the push-out mechanism, the diamond structure is advanced to the direction of the inner bridge 2, and finally the inner bridge 2 and the outer bridge 1 are clamped together by the clamping mechanism.

[0032] As a further scheme of the utility model, the push-out mechanism includes a sleeve 3, a telescopic rod 4 and a spring 12, the sleeve 3 is rotationally arranged at the bottom of the outer bridge 1, one end of the telescopic rod 4 is slidingly arranged in the inner part of the sleeve 3, the spring 12 is arranged in the inner part of the sleeve 3, and one end of the spring 12 abuts against the convex ring of the telescopic rod 4, the other end of the spring 12 abuts against the inner wall of the sleeve 3.

[0033] In the embodiment, the spring 12 is in a pre-pressed state in the inner part of the sleeve 3 at the beginning, when the diamond structure needs to be pushed, the spring 12 provides an outward pushing force for the telescopic rod 4, and the telescopic rod 4 pushes the diamond structure.

[0034] As a further scheme of the utility model, the diamond structure includes a first connecting rod 5, a horizontal connecting rod 6 and a second connecting rod 7, the first connecting rod 5 and the second connecting rod 7 are rotationally arranged at the bottom of the outer bridge 1, and the middle part of the first connecting rod 5 is rotationally connected with one end of the telescopic rod 4 away from the sleeve 3, the first connecting rod 5 and the second connecting rod 7 are connected through the horizontal connecting rod 6, and the two ends of the horizontal connecting rod 6 are respectively rotationally connected with the first connecting rod 5 and the second connecting rod 7.

[0035] In the embodiment, in combination with the previous embodiment, the telescopic rod 4 pushes the first connecting rod 5 outward, and the first connecting rod 5 and the second connecting rod 7 push the horizontal connecting rod 6 in the advancing direction of the inner bridge 2.

[0036] As a further scheme of the utility model, the clamping mechanism includes a lower plate 8 and a rack 9, the lower plate 8 is sleeved between the two horizontal connecting rods 6, the lower plate 8 is fixedly connected with the horizontal connecting rod 6, and the rack 9 is arranged on the top surface of the lower plate 8.

[0037] In the embodiment, in combination with the previous embodiment, the horizontal connecting rod 6 drives the lower plate 8 to advance in the direction of the inner bridge 2, and the lower plate 8 drives the rack 9 to move upward.

[0038] As a further scheme of the utility model, the clamping mechanism further includes an upper bottom plate 10 and a clamping strip 11, the upper bottom plate 10 is arranged at the bottom of the inner bridge 2, the clamping strip 11 is arranged on the bottom surface of the upper bottom plate 10, and the outer bridge 1 and the inner bridge 2 are clamped by the meshing of the lower plate 8 and the clamping strip 11.

[0039] In this embodiment, in combination with the previous embodiment, when the rack 9 moves upward and when the rack 9 engages with the clamping strip 11, the inner bridge 2 and the outer bridge 1 are locked together through the engagement of the rack 9 and the clamping strip 11.

[0040] As a further scheme of the present application, the pushing mechanism is arranged in a group, and the pushing mechanism in the group is symmetrically arranged on both sides of the connecting beam of the outer bridge 1.

[0041] In this embodiment, the pushing mechanism is arranged in a group, so that the pushing of the diamond structure is more stable.

[0042] As a further scheme of the present application, the spring 12 is in a pre-pressed state inside the sleeve 3, and the clamping mechanism is pushed by the automatic reset of the spring 12.

[0043] In this embodiment, the spring 12 is in a pre-pressed state inside the sleeve 3, so that the spring 12 always gives the telescopic rod 4 an outward pushing force.

[0044] As a further scheme of the present application, the bottom of the lower plate 8 is further provided with a handle, and the handle is used to pull downward to separate the clamping strip 11 from the lower plate 8 when adjusting the position of the inner bridge 2 in the inner wall of the outer bridge 1.

[0045] In this embodiment, the handle is arranged at the bottom of the lower plate 8, and when it is necessary to adjust the position of the inner bridge 2 in the inner wall of the outer bridge 1, the handle is first pulled downward, so that the rack 9 is separated from the clamping strip 11, so that the inner bridge 2 is separated from the outer bridge 1, and at this time, the position of the inner bridge 2 on the outer bridge 1 can be adjusted according to the length of the telescopic rod 4.

[0046] The above embodiments are exemplary but not restrictive, and the technical scheme of the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application, and all the technical schemes are included in the present application.

Claims

1. A telescoping and locking ladder cable tray, characterized by, The telescopic locking ladder type cable bridge comprises an outer bridge (1), an inner bridge (2) slidingly arranged on the inner wall of the outer bridge (1), and a pushing mechanism of the inner bridge (2) arranged at the bottom of the outer bridge (1). The pushing mechanism of the inner bridge (2) comprises a telescopic rod (4) and a diamond structure, the telescopic rod (4) is used for pushing the diamond structure to the advancing direction of the inner bridge (2), so as to push the inner bridge (2) out from the inner wall of the outer bridge (1). The bottom of the outer bridge (1) is further provided with a clamping mechanism, the clamping mechanism is used for clamping the outer bridge (1) and the inner bridge (2) together, so as to prevent the relative sliding of the inner bridge (2) and the outer bridge (1) during use.

2. The telescoping and locking ladder cable tray according to claim 1, wherein, The pushing mechanism comprises a sleeve (3), a telescopic rod (4) and a spring (12), the sleeve (3) is rotationally arranged at the bottom of the outer bridge (1), one end of the telescopic rod (4) is slidingly arranged in the sleeve (3), the spring (12) is arranged in the sleeve (3), one end of the spring (12) abuts against the convex ring of the telescopic rod (4), and the other end of the spring (12) abuts against the inner wall of the sleeve (3).

3. The telescoping and locking ladder cable tray according to claim 2, wherein, The diamond structure comprises a first connecting rod (5), a transverse connecting rod (6) and a second connecting rod (7), the first connecting rod (5) and the second connecting rod (7) are rotationally arranged at the bottom of the outer bridge (1), the middle part of the first connecting rod (5) is rotationally connected with one end of the telescopic rod (4) away from the sleeve (3), the first connecting rod (5) and the second connecting rod (7) are connected through the transverse connecting rod (6), and the two ends of the transverse connecting rod (6) are rotationally connected with the first connecting rod (5) and the second connecting rod (7) respectively.

4. The telescoping locking ladder cable tray of claim 3, wherein, The clamping mechanism comprises a lower plate (8) and a rack (9), the lower plate (8) is sleeved between the two transverse connecting rods (6), the lower plate (8) is fixedly connected with the transverse connecting rod (6), and the rack (9) is arranged on the top surface of the lower plate (8).

5. The telescoping locking ladder cable tray of claim 4, wherein, The clamping mechanism further comprises an upper bottom plate (10) and a clamping strip (11), the upper bottom plate (10) is arranged at the bottom of the inner bridge (2), the clamping strip (11) is arranged on the bottom surface of the upper bottom plate (10), and the outer bridge (1) and the inner bridge (2) are clamped by the engagement of the lower plate (8) and the clamping strip (11).

6. The telescoping and locking ladder cable tray of claim 1, wherein, The pushing mechanism is arranged in a group, and one group of the pushing mechanism is symmetrically arranged on both sides of the connecting beam of the outer bridge (1).

7. The telescoping and locking ladder cable tray of claim 2, wherein, The spring (12) is in a pre-pressed state in the sleeve (3), and the clamping mechanism is pushed by the automatic reset of the spring (12).

8. The telescoping and locking ladder cable tray of claim 4, wherein, The bottom of the lower plate (8) is further provided with a handle, the handle is used for downward pulling to separate the clamping strip (11) from the lower plate (8) when adjusting the position of the inner bridge (2) in the inner wall of the outer bridge (1).

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